<html>
<head>
    <meta charset="utf-8">
    <script src="./../jslib/angular-1.5.6/angular.js"></script>
</head>
<body>

  <div ng-app="" ng-init="firstName='张三'">
    <p>请在输入框中输入:</p>
    <p>姓名: <input type="text" ng-model="firstName"></p>
    <p>你好， {{ firstName }}</p>
  </div>

</body>
</html>